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ComfyUI > Nodes > ComfyUI_JR_MiniMaxH3Node > JR MiniMax H3 RTX Upscaler & Refiner

ComfyUI Node: JR MiniMax H3 RTX Upscaler & Refiner

Class Name

JR_H3_RTXUpscalerRefiner

Category
JR MiniMax H3/Video
Author
Goldlionren (Account age: 872days)
Extension
ComfyUI_JR_MiniMaxH3Node
Latest Updated
2026-08-27
Github Stars
0.03K

How to Install ComfyUI_JR_MiniMaxH3Node

Install this extension via the ComfyUI Manager by searching for ComfyUI_JR_MiniMaxH3Node
  • 1. Click the Manager button in the main menu
  • 2. Select Custom Nodes Manager button
  • 3. Enter ComfyUI_JR_MiniMaxH3Node in the search bar
After installation, click the Restart button to restart ComfyUI. Then, manually refresh your browser to clear the cache and access the updated list of nodes.

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JR MiniMax H3 RTX Upscaler & Refiner Description

Sophisticated video enhancement node leveraging NVIDIA's RTX technology for high-quality upscaling and refinement.

JR MiniMax H3 RTX Upscaler & Refiner:

The JR_H3_RTXUpscalerRefiner is a sophisticated node designed to enhance and refine video content by leveraging NVIDIA's RTX technology. This node is particularly beneficial for users who require high-quality video upscaling and refinement, as it utilizes advanced algorithms to improve video resolution and clarity. The node is capable of performing tasks such as denoising, deblurring, and upscaling, making it an essential tool for AI artists looking to enhance their video projects. By integrating NVIDIA's Video Effects SDK, the JR_H3_RTXUpscalerRefiner ensures that the output is not only visually appealing but also optimized for performance on compatible NVIDIA RTX GPUs. This node is ideal for those who want to achieve professional-grade video quality with minimal effort, as it automates complex processes and delivers impressive results.

JR MiniMax H3 RTX Upscaler & Refiner Input Parameters:

images

The images parameter expects a batch of images in the form of a 4-dimensional tensor with the shape [B, H, W, C], where B is the batch size, H is the height, W is the width, and C is the number of channels (either 3 for RGB or 4 for RGBA). This parameter is crucial as it serves as the input for the upscaling and refinement process. The quality of the input images directly impacts the effectiveness of the node's operations.

denoise

The denoise parameter is a boolean flag that determines whether the node should apply denoising to the input images. When set to true, the node will reduce noise in the images, resulting in a cleaner and more polished output. This is particularly useful for videos with a lot of grain or noise artifacts.

deblur

The deblur parameter is another boolean flag that indicates whether the node should perform deblurring on the input images. Enabling this option helps in sharpening images that may have been blurred due to motion or focus issues, enhancing the overall clarity and detail of the video content.

upscale

The upscale parameter controls the upscaling functionality of the node. It can be set to different modes, such as "Off" to disable upscaling or other modes to enable it. When upscaling is enabled, the node increases the resolution of the input images, making them suitable for higher-resolution displays or further processing.

device_id

The device_id parameter specifies the CUDA device to be used for processing. It is an integer value that corresponds to the ID of the NVIDIA RTX GPU available on the system. This parameter is essential for ensuring that the node utilizes the correct GPU for its operations, which is critical for achieving optimal performance.

JR MiniMax H3 RTX Upscaler & Refiner Output Parameters:

output

The output parameter is a tensor containing the processed images after the upscaling and refinement operations have been applied. This output retains the batch size and channel dimensions of the input but may have altered height and width depending on the upscaling settings. The output is crucial as it represents the final enhanced video content ready for viewing or further editing.

JR MiniMax H3 RTX Upscaler & Refiner Usage Tips:

  • Ensure that your system has a compatible NVIDIA RTX GPU and the necessary drivers installed to fully utilize the node's capabilities.
  • Experiment with the denoise and deblur parameters to find the right balance for your specific video content, as different videos may require different levels of refinement.
  • Use the upscale parameter to adjust the resolution of your video content according to your needs, whether for higher quality displays or specific project requirements.
  • Verify the device_id to ensure that the correct GPU is being used, especially if your system has multiple GPUs.

JR MiniMax H3 RTX Upscaler & Refiner Common Errors and Solutions:

"RTX input must be an RGB/RGBA IMAGE batch shaped [B,H,W,C]."

  • Explanation: This error occurs when the input images do not conform to the expected 4-dimensional tensor shape.
  • Solution: Ensure that your input images are formatted correctly as a batch with dimensions [B, H, W, C], where C is either 3 or 4.

"JR MiniMax H3 RTX processing requires CUDA and a compatible NVIDIA RTX GPU."

  • Explanation: This error indicates that the node is unable to access a compatible NVIDIA RTX GPU for processing.
  • Solution: Check that your system has an NVIDIA RTX GPU installed and that CUDA is properly configured and available.

"CUDA device_id {device_id} is unavailable; detected {torch.cuda.device_count()} devices."

  • Explanation: The specified device_id does not correspond to any available CUDA devices on the system.
  • Solution: Verify the device_id and ensure it matches one of the available CUDA devices. Adjust the device_id to a valid value within the range of detected devices.

JR MiniMax H3 RTX Upscaler & Refiner Related Nodes

Go back to the extension to check out more related nodes.
ComfyUI_JR_MiniMaxH3Node
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JR MiniMax H3 RTX Upscaler & Refiner